NYC-WTC_000097692
Memo from Ambient Group dated November 21, 2001 providing a summary of environmental monitoring activities.
2 shared non-person entities · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗Document / 22 pages
DDC fax transmittal re: WTC scaffolding at Liberty Street, July
Machine-extracted title · confidence 90%Transmittal from DDC regarding a letter sent to Deutsche Bank about scaffolding on Liberty Street.
NYC-WTC_000154848–000154869Folder label: “DEUTSCHE BANK”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
AMBIENT GROUP Dioxins/Furans, HRGC/HRMS (8290) CUent Sample IDs 211909-12D
Lot-Sample G2D190191 -012 Work Order#-: BX6VP1AA MatrIx-4 SOUD Date SampleiU.: 04/18/02 DateReceivedw: 04/19/02 Instrament: 5D5 PrepDaCe~~u 04/19/02 AnalydsDate..! 04/24/02 Units.—4 PSfS Prep Batch#-! 2109509 DDotion Factor: 1 ‘/.Moisture:
DBrECnON TE5F TEQ LIMIT FACTOR OONCENTSATION PARAMETER RESULT
23,7,8-TCDD 11(H) 1.000 1,100.000000 1,23,73-PeCDD 4000 0.500 2,000.000000 1,23,4,7,8-HxCDD 3100 0.100 310300000 1,23,6,7,8-HxCDD 5000 0.100 500.000000 1,23,7,8,9-HxCDD 4800 0.100 480300000 1,23,4,6,7,8-HpCDD 27000 0.010 270300000 O.CDD 52000 0.001 5X000000 23,73-TCDF 5600 CON 0.100 560300000 133,7,8-PeCDF 6900 0.0S0 340300000 23,4,7,8-PeCDF 8900 0.500 4,400300000 133,4,7,8-HxCDF 11000 0.100 1,100.000000 1,23,6,73-HxCDF 9600 0.100 960.000000 23,4,6,7,8-HxCDF 8800 0.100 880.000000 133.73>HxCDF 840 0.100 84300000 1,23,4,6,7,8-HpCDF 38000 0.010 380.000000 1,23,4,7,8,9-HpCDF 4400 0.010 44300000 OCDF 20000 0.001 20.000000 Total TEQ Concentration 13,480.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS
1302,3,7,8-TCDD '57 40-135 13C-l,2.3.7,8-PeCDD 55 40-135 I3C-1.2,3,6,7,8-HxCDD 50 40-135 13C-133,4,6,7,8-HpCDD 63 40-135 13C-OCDD 69 40-135 13C-2.3.7,8-TCDF 43 40-135 13C-l,2,3,7,8-PeCDF 61 40-135 13C-l,2,3,4,7,8-HxCDF 52 40-135 13C-l,2,3,4,6,7,8-BpCDF 63 40-135
Notes: W values are sited In UA Environmental Protection Agency, (1989) Interim procedures for estbnating risks associated wBh exposures to mixtares ofcilorinated ^e^^^^^and .dibenzoftoms (CDDs and CDFs) and 1989 apdata, US. Envirenmental Protection Agency, Risk Aasesamem forum, Watfofogton, DCj
CON Confirmation analysis.
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NYC-WTC_000154864
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NYC-WTC_000154864Source: NYC Law Department, mirrored locally
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NYC-WTC_000124631
Chain of custody document for samples from 90 Church Street dated November 14, 2001.
4 shared non-person entities · similarity 0.942
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132108
Cover letter transmitting lead in dust sampling results for 114 Liberty Street.
6 shared non-person entities · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097592
Fax cover sheet from Ambient Group dated January 11, 2002 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.939
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000124902
Laboratory data report containing asbestos analysis results for dust samples from floors 5-12 of 90 Church Street.
5 shared non-person entities · similarity 0.938
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097581
Fax cover sheet from Ambient Group dated January 22, 2002 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.937
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097558
Fax cover sheet from Ambient Group dated February 12, 2002 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.937
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097632
Fax cover sheet from Ambient Group dated December 13, 2001 regarding indoor environmental quality surveys.
2 shared non-person entities · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097723
Letter from Ambient Group Inc. dated November 9, 2001, regarding indoor environmental quality surveys at North End Avenue and Vesey Street.
2 shared non-person entities · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000148192
Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.
6 shared non-person entities · similarity 0.936
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097713
Letter from Ambient Group dated November 16, 2001 summarizing an indoor environmental quality survey.
3 shared non-person entities · similarity 0.935
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097669
Header page of a laboratory report detailing indoor air and surface sampling for asbestos and lead.
2 shared non-person entities · similarity 0.935
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Notice instructing preservation of scanned World Trade Center documents as evidence for potential legal actions against the City.
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NYC-WTC_000154846
Transmittal from DDC regarding a letter sent to Deutsche Bank about scaffolding on Liberty Street.
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NYC-WTC_000154870
Laboratory analytical report documenting dust characterization and environmental contamination assessment results from facility testing.
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NYC-WTC_000154892
Report on bulk sample analysis identifying fungal species and counts in samples from 130 Liberty Street.
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